/ Dictionary / Index E extemporal: Meaning and Definition of Find definitions for: ex•tem•po•ral Pronunciation: (ik-stem'pur-ul), [key] — adj. Archaic. extemporaneous; extempore. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. extd. extemporaneous Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language